文章來源(yuan):中(zhong)國鐵(tie)路(lu)工程(cheng)總公司 發布時間:2010-04-09
3月23日,中(zhong)鐵(tie)隧(sui)(sui)道(dao)(dao)施(shi)(shi)工(gong)的(de)(de)廈(sha)門翔安(an)海底(di)(di)(di)(di)(di)隧(sui)(sui)道(dao)(dao)A1標段(duan)在(zai)(zai)四標段(duan)中(zhong)率(lv)先達到(dao)分(fen)界(jie)里程(cheng),國內(nei)首(shou)條(tiao)海底(di)(di)(di)(di)(di)隧(sui)(sui)道(dao)(dao)世界(jie)性(xing)地質(zhi)難(nan)題——F4風(feng)(feng)化(hua)(hua)(hua)深(shen)槽(cao)(cao)段(duan)被成功(gong)攻克。風(feng)(feng)化(hua)(hua)(hua)深(shen)槽(cao)(cao)是海底(di)(di)(di)(di)(di)隧(sui)(sui)道(dao)(dao)建(jian)(jian)(jian)(jian)設(she)(she)中(zhong)公認的(de)(de)世界(jie)性(xing)地質(zhi)難(nan)題,也(ye)是國內(nei)首(shou)條(tiao)海底(di)(di)(di)(di)(di)隧(sui)(sui)道(dao)(dao)建(jian)(jian)(jian)(jian)設(she)(she)成功(gong)與否的(de)(de)關鍵所在(zai)(zai),其為(wei)砂(sha)、高風(feng)(feng)化(hua)(hua)(hua)石、泥(ni)水(shui)的(de)(de)混(hun)合堆積地層,自穩能力差,加上海底(di)(di)(di)(di)(di)高水(shui)壓作用,稍有不(bu)慎,便(bian)有覆頂(ding)之災(zai)。在(zai)(zai)眾(zhong)風(feng)(feng)化(hua)(hua)(hua)深(shen)槽(cao)(cao)段(duan)中(zhong)以F4風(feng)(feng)化(hua)(hua)(hua)深(shen)槽(cao)(cao)段(duan)最為(wei)困(kun)難(nan),F4風(feng)(feng)化(hua)(hua)(hua)深(shen)槽(cao)(cao)段(duan)位于(yu)整個(ge)海底(di)(di)(di)(di)(di)隧(sui)(sui)道(dao)(dao)最深(shen)處,水(shui)壓達0.7兆帕(pa),長度(du)最長達120米,地質(zhi)條(tiao)件復雜,技(ji)(ji)術難(nan)度(du)巨(ju)大。中(zhong)鐵(tie)隧(sui)(sui)道(dao)(dao)對(dui)F4風(feng)(feng)化(hua)(hua)(hua)深(shen)槽(cao)(cao)開挖(wa)的(de)(de)特(te)殊性(xing)和(he)(he)巨(ju)大的(de)(de)安(an)全風(feng)(feng)險(xian),多次組(zu)織專家對(dui)風(feng)(feng)化(hua)(hua)(hua)深(shen)槽(cao)(cao)施(shi)(shi)工(gong)方(fang)案進行(xing)嚴(yan)謹(jin)的(de)(de)科(ke)學論(lun)證(zheng),細(xi)化(hua)(hua)(hua)施(shi)(shi)工(gong)組(zu)織方(fang)案,健全應急措(cuo)施(shi)(shi),率(lv)先在(zai)(zai)行(xing)業(ye)內(nei)建(jian)(jian)(jian)(jian)立起地下工(gong)程(cheng)攻克軟弱圍巖的(de)(de)“特(te)種部(bu)隊”,經(jing)過(guo)近(jin)8個(ge)月的(de)(de)攻堅克險(xian),順利通過(guo)F4風(feng)(feng)化(hua)(hua)(hua)深(shen)槽(cao)(cao)段(duan),率(lv)先打(da)到(dao)分(fen)界(jie)里程(cheng),以技(ji)(ji)術優勢(shi)和(he)(he)堅毅精神成為(wei)我(wo)國首(shou)條(tiao)海底(di)(di)(di)(di)(di)隧(sui)(sui)道(dao)(dao)建(jian)(jian)(jian)(jian)設(she)(she)的(de)(de)先行(xing)者,建(jian)(jian)(jian)(jian)設(she)(she)過(guo)程(cheng)中(zhong)的(de)(de)一系列技(ji)(ji)術創新(xin)、通過(guo)風(feng)(feng)化(hua)(hua)(hua)深(shen)槽(cao)(cao)段(duan)的(de)(de)工(gong)法、工(gong)藝,成為(wei)其他標段(duan)借(jie)鑒對(dui)象,為(wei)海底(di)(di)(di)(di)(di)隧(sui)(sui)道(dao)(dao)建(jian)(jian)(jian)(jian)設(she)(she)提供了一系列具有開創意義的(de)(de)新(xin)工(gong)藝流(liu)程(cheng),豐富了我(wo)國海底(di)(di)(di)(di)(di)隧(sui)(sui)道(dao)(dao)建(jian)(jian)(jian)(jian)設(she)(she)工(gong)法、工(gong)藝。